Re: grub2 halts on kernel command

[Tom H]

> I installed ubuntu 9.10 but it hung on boot, no boot loader
> message, nothing. So I grabbed the Super Grub Disk (on USB pen
> drive) to look for the culprit.
>
> I cannot get the system to boot, on submitting the "kernel"
> command, it hangs.
>
> This is what I tried:
>
> ---START---OF---GRUB---SESSIONB---
>
> (boot with Super Grub Disk and exit to GRUB command prompt)
>
> grub> dfisklu
> 1 (hd0,0) fat 1 GB WINDOWS
> 5 (hd1,4) ext2fs 1 TB
> 1 (hd2,0) ext2fs 3 GB Ubuntu 9.10 \n \l
> 1 (hd3,0) ext2fs 3 GB Ubuntu 9.10 \n \l
> 5 (hd3,4) ext2fs 1 TB
>
> grub> find /vmlinuz (hd2,0) (hd3,0)
>
> grub> root (hd2,0) Filesystem type is ext2fs, partition type
> 0xfd
>
> grub> kernel /vmlinuz [Linux-bzImage, setup=0x3400,
> size=0x3bef40]
>
> ..... then it hangs ...........
>
> ---END---OF---GRUB---SESSIONB---
>
> Additional information: I partitioned my 3 HDDs the same: 4 GB
> and the remaining 1,5 TB 2 of the 3 4 GB partitions are
> configured as operating as one RAID1 mirroring cluster. The
> remaining 4 GB is configured as swap area. All 3 1,5 TB
> partitions build a RAID5 device
>
> /dev/hda1 ... 4 GB ... RAID1 mirrored root partition (mounted
> at /)
>
> /dev/hda2 ... 1 TB ... RAID5 data area (mounted at /data)
>
> /dev/hdb1 ... 4 GB ... RAID1 mirrored root partition (mounted
> at /)
>
> /dev/hdb2 ... 1 TB ... RAID5 data area (mounted at /data)
>
> /dev/hdc1 ... 4 GB ... Swap area
>
> /dev/hdc2 ... 1 TB ... RAID5 data area (mounted at /data)

Since your shell is "grub>", your kernel command is "kernel", and your
partitions are numbered starting from 0, you are running grub1 not
grub2.

Is your / an ext4 filesystem? AFAIK, grub1 will not recognize ext4.

PS: What is "dfisklu"?